Updated Sept 22th 2021:
Starting with Jump Desktop 9.6+ on iOS and Jump Desktop for Mac 8.8.x, Jump Desktop no longer supports the legacy Jump Desktop printer driver. Instead please make sure you have the Microsoft Print To PDF driver installed on the remote machine.
Jump Desktop supports remote printing over RDP connection when connecting to Windows machines.
To enable remote printing please make sure you have the Microsoft Print To PDF printer driver installed on the remote Windows machine. Windows 8 or later already ship with the Microsoft Print To PDF driver.
On Windows Server 2016 later you may need to install the driver manually by following these instructions: Install Microsoft Print To PDF
How to print:
1. To print remotely, simply connect to your PC using Jump over RDP and open up the document you want to print.
2. Select the "Jump Desktop Printer" printer:
Having trouble printing?
Please take a look at this related article: Can't print documents on Windows Server